Hey Ray! Explaining How Inertia Works
You may have heard the scientific expression "An object at rest stays at rest."
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You may have heard the scientific expression "An object at rest stays at rest."
Remember that one time in math class when you said, "I am never going to use this in real life"?
Pittsburgh has a lot of bridges -- 446 of them! With bridges, there are additional things to be alert for in colder weather, such as ice.
Late in winter, people usually start looking for signs that spring is on the way. The most popular is Punxsutawney Phil. The groundhog isn't the only animal though.
We have talked about how each snowfall is different. How snow is created is different, too.
The hardest season to predict weather is winter, mainly because of snow.
The Moon is neat to watch because it has several different looks during its 27 day cycle. It sometimes looks like a fingernail. Other times it looks like half of a pie, and other times it is a bright, shiny disk in the sky.
Often, I get asked, "Why are you called a meteorologist when you study and predict weather, not meteors?"
The term "polar vortex" may sound like a cold version of a "sharknado", but unlike a sharknado, the polar vortex is a real, meteorological thing.
Standing on Earth and looking out, the Earth looks flat from our very limited view. We know the Earth isn't flat, though. Did you know Earth isn't a perfect sphere either?
After a snowfall, we all like to brag about how much fell, so it is important to measure snow properly. While it sounds like an easy task, you must follow some rules.
Unlike a certain popular television show, we know that winter is coming and exactly when it will get here.
You may have heard about the Christmas Star that will become visible in the December sky. What is it, how rare is it, and how do you see this "star"? Meteorologist Ray Petelin has the answers.
When it comes to thunderstorms, can you really tell how far away a storm is by counting the seconds between the flash of lightning and the rumble of thunder? The answer is yes, but there's a little more to it.
KDKA meteorologist Ray Petelin explores the science behind gravity with slow-motion and a slinky.
Science can often surprise you! Meteorologist Ray Petelin has a cool inertia experiment where the result may be the opposite of what you think!
It's common to see icicles hanging from roofs or awnings, but can they form sideways? The Barton Family saw just that, and Ray Petelin explains how it may have happened!
When rivers, lakes, and ponds freeze over, it's natural to want to go play on them, but checking them for safety is important. Ray Petelin explains what you need to do to make sure you don't fall through.
When we get large snowfalls, the same question gets asked - why is snow white but when it melts, it's clear? Ray Petelin answers that in a new Hey Ray!
KDKA meteorologist Ray Petelin uses science to debunk some popular conspiracy theories.
Places, people, and things have a variety of reasons for why they are named the way they are, but have you ever thought about why the Arctic and Antarctic have their names? Ray Petelin has and he explains it in a new Hey Ray!
Whenever snow falls in Pittsburgh, you hear the same refrain: milk, bread, and toilet paper, but do we really need to have those in our home? Ray Petelin makes sure you know how to prepare when snow is coming!
While we may dream of a White Christmas in the 412, the weather is often much more interesting than that. Ray Petelin explains in a new Hey Ray!
Every generation when they get older love to brag about how much snow they had to deal with as a kid, but which Pittsburgh generation has the bragging rights? Ray Petelin breaks it down!
Did you ever notice your breath can heat and cool things? Meteorologist Ray Petelin shows us the science of how that works!
The SEA approved for the lease to PPG Paints Arena to be transferred from the Fenway Sports Group to the Hoffman Family of Companies.
Pavel Dorofeyev had two goals and an assist and the Vegas Golden Knights beat the Pittsburgh Penguins 6-2 on Thursday night.
Mike and Kiya Tomlin were awarded the Patricia R. Rooney Community Impact Award at the annual Ireland Funds gala.
The annual KDKA Fish Fry Guide is back for Lent! Check our listings for a 2026 fish fry near you in Pittsburgh.
Two people, including a juvenile, were injured in a shooting in McKeesport on Thursday, authorities said.
"The president is constantly critical on mail-in voting, and that's ridiculous," Democratic Sen. John Fetterman said Wednesday.
"I think, overall, what's accomplished is remarkable," Sen. John Fetterman told CBS News chief White House correspondent Major Garrett in an interview Wednesday.
About 30 U.S. service members remained hospitalized Tuesday after an Iranian drone strike in Kuwait.
Defense Secretary Pete Hegseth said Tuesday that it would be the "most intense day" of strikes against Iran so far.
President Trump told CBS News the U.S. war with Iran is "very complete," and said the U.S. "could do a lot" about the Strait of Hormuz.
Pennsylvania farmers say economic factors like diesel fuel and fertilizer costs are pushing them to the edge.
The gas price spikes are real and apparent. Here's how Pittsburgh drivers can save money.
The Pennsylvania Treasury will hold a public auction for unclaimed goods on Wednesday, March 25.
Pittsburgh gas prices have spiked in the last week, but how high exactly will they rise in the coming weeks?
A Pittsburgh-area man is not just giving people living with ALS a voice, he's giving them their own voice.
Pittsburgh Magazine's Sean Collier is back like he is every Thursday and he's giving you a rundown of the best events in the 'Burgh this weekend!
Buying a house is one of the biggest milestones in a person's life, but figuring out how to is a massive challenge. That's why Dollar Bank's "The Way Home" workshop is so important. Susan Kelly and a first-time homebuyer join Heather and Daisy with all the information new homebuyers need!
Morgan Freeman has played several iconic roles throughout his storied career, now, he's bringing his symphonic blues experience tour to Pittsburgh. Heather Abraham talked to the legendary actor about why he chose this project.
Spring break is nearly here and there's no doubt the kids will say the phrase, "I'm bored!" So, Yuhling Behr from Kidsburgh joins Heather and Daisy for some fun, at-home spring break ideas!
College hoops is taking up residence at PPG Paints Arena this weekend when the Atlantic 10 Men's Basketball Tournament will tip off! The A10 Commissioner, Bernadette V. McGlade, joined PTL to talk about the tournament!
Residents in the area of Rochester, Beaver County, say a persistent chemical smell has taken over the air.
More homeowners than ever in Allegheny County are filing appeals to try to lower their property taxes.
A cancer once rare in young people has become the number one cause of cancer-related deaths for Americans under age 50.
There is cautious optimism on the North Shore that the Pittsburgh Post-Gazette may continue to publish under new ownership.
From freshly washed cars to air conditioning units to entire porches, dust is blanketing one Westmoreland County neighborhood.
A Pittsburgh-area man is not just giving people living with ALS a voice, he's giving them their own voice.
A cancer once rare in young people has become the number one cause of cancer-related deaths for Americans under age 50.
Fish fries can be a quandary for people with heart and other medical issues.
With a measles outbreak in Pennsylvania, local health experts want to send a message to families.
Cracking down on the price of prescription drugs is a hefty task.
The SEA approved for the lease to PPG Paints Arena to be transferred from the Fenway Sports Group to the Hoffman Family of Companies.
Western Pennsylvania has historically been a hotbed for producing talent that succeeds in the NFL.
Pavel Dorofeyev had two goals and an assist and the Vegas Golden Knights beat the Pittsburgh Penguins 6-2 on Thursday night.
Mike and Kiya Tomlin were awarded the Patricia R. Rooney Community Impact Award at the annual Ireland Funds gala.
The Pittsburgh Steelers have reportedly agreed to terms with safety Jaquan Brisker.
Forbes' latest ranking of the world's richest people has been released, and the list features billionaires with ties to Pittsburgh.
A fire chief says a fire at an Ohio hog farm complex has killed about 6,000 pigs and unleashed a large plume of smoke that could be seen for miles.
Lawmakers in Harrisburg are looking at bills to tackle dynamic pricing.
The budget airline Breeze is launching a new nonstop route from Pittsburgh to Myrtle Beach this summer.
The lawsuit accuses Nippon of prioritizing revenue over worker safety.
A woman was arrested on Sunday for firing multiple shots at the Beverly Hills home of Rihanna, Los Angeles Police Department officials say.
The countdown is on, as the NFL Draft comes to Pittsburgh and America turns 250 years old.
Hillary Knight, Megan Keller and Jack and Quinn Hughes made a surprise appearance during "Heated Rivalry" star Connor Storrie's opening monologue on "SNL."
The medical drama "The Pitt" has certainly put a lot of eyes on Pittsburgh, and while the stories are fiction, the show highlights some very real things about the city.
Streaming giant Netflix declined to match Paramount Skydance's $31 per share offer for Warner Bros. Discovery.
The Chicago-based Hoffman group announced an agreement to purchase the Penguins from the Fenway Sports Group late last year.
KDKA-TV's Bob Pompeani and 93.7 The Fan's Chris Mueller discuss today's sports topics.
Two people, including a juvenile, were injured in a shooting in McKeesport on Thursday, authorities said.
Stay on top of the weather in the Pittsburgh area with First Alert Meteorologist Ray Petelin's forecast.
Mike Tomlin made his first public comments on Thursday since resigning from his role as Pittsburgh Steelers head coach.
Mike Tomlin stepped down as head coach of the Pittsburgh Steelers after 19 seasons with the team.
Pitt's regular season has ended with an 8-4 record.
Pitt's five-game winning streak came to an end with a 37-15 loss to Notre Dame.
Mason Heintschel set a new Pitt freshman single-game passing record in the Pitt win at Acrisure Stadium.
The 44th annual KDKA-TV Turkey Fund will help our neighbors in need have a nice meal for Thanksgiving.
